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path: root/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
blob: 1321948c3c8183f6a5b10ae758f8cfe1974da5d2 (plain) (blame)
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{ runCommand, lib, writeText, fontconfig, fontbhttf, fontDirectories }:

runCommand "fc-cache"
  rec {
    buildInputs = [ fontconfig ];
    passAsFile = [ "fontDirs" ];
    fontDirs = ''
      <!-- Font directories -->
      ${lib.concatStringsSep "\n" (map (font: "<dir>${font}</dir>") fontDirectories)}
    '';
  }
  ''
    export FONTCONFIG_FILE=$(pwd)/fonts.conf

    cat > fonts.conf << EOF
    <?xml version='1.0'?>
    <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
    <fontconfig>
      <include>${fontconfig}/etc/fonts/fonts.conf</include>
      <cachedir>$out</cachedir>
    EOF
    cat "$fontDirsPath" >> fonts.conf
    echo "</fontconfig>" >> fonts.conf

    mkdir -p $out
    fc-cache -sv
  ''